Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4CJW callsign genealogy
Currently held by PENNINGTON, AUBURN T
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K4CJW's current licensee, walking backwards.
- Williammee, Christopher JVAgranted 2016-10-18cancelled 2016-11-05
Successor callsigns
Callsigns held now by people who previously held K4CJW.
- Pennington, Auburn TTNgranted 2004-04-28cancelled 2013-09-27
All historical holders
Every license row we've seen with the callsign K4CJW, oldest first.
- PENNINGTON, AUBURN T TN2004-01-30 → cancelled 2004-04-28
- Williammee, Christopher J PA2016-11-05 active